diff --git a/ohkami/src/testing/mod.rs b/ohkami/src/testing/mod.rs
index 079c76e8c..16fd93a90 100644
--- a/ohkami/src/testing/mod.rs
+++ b/ohkami/src/testing/mod.rs
@@ -52,23 +52,31 @@ impl Testing for Ohkami {
 
 impl TestingOhkami {
     #[must_use]
-    pub fn oneshot(&self, req: TestRequest) -> Oneshot {
+    pub fn oneshot(&self, test_req: TestRequest) -> Oneshot {
         let router = self.0.clone();
         
-        let res = async move {
-            let mut request = Request::uninit(#[cfg(feature="__rt_native__")] crate::util::IP_0000);
-            let mut request = unsafe {Pin::new_unchecked(&mut request)};
+        let test_res = async move {
+            let mut req = Request::uninit(#[cfg(feature="__rt_native__")] crate::util::IP_0000);
+            let mut req = Pin::new(&mut req);
             
-            let res = match request.as_mut().read(&mut &req.encode()[..]).await {
-                Ok(Some(())) => router.handle(&mut request).await,
-                Ok(None) => panic!("No request"),
+            let res = match req.as_mut().read(&mut &test_req.encode()[..]).await {
                 Err(res) => res,
+                Ok(None) => panic!("No request"),
+                Ok(Some(())) => {
+                    if req.headers.host().is_none() {
+                        req.headers.set().host("ohkami.test");
+                    }
+                    if req.headers.date().is_none() {
+                        req.headers.set().date(ohkami_lib::imf_fixdate(crate::util::unix_timestamp()));
+                    }
+                    router.handle(&mut req).await
+                }
             };
 
             TestResponse(res)
         };
 
-        Oneshot(Box::new(res))
+        Oneshot(Box::new(test_res))
     }
 }
 
diff --git a/ohkami_lib/src/time.rs b/ohkami_lib/src/time.rs
index 016e40abc..f431aee41 100644
--- a/ohkami_lib/src/time.rs
+++ b/ohkami_lib/src/time.rs
@@ -1,9 +1,11 @@
 //! Most parts are based on [chrono](https://github.com/chronotope/chrono); MIT.
 
-/// Current datetime by **IMF-fixdate** format like `Sun, 06 Nov 1994 08:49:37 GMT`, used in `Date` header.
+/// format a unix timestamp by **IMF-fixdate** like `Sun, 06 Nov 1994 08:49:37 GMT`,
+/// mainly intended for `Date` header.
 /// 
 /// (reference：[https://datatracker.ietf.org/doc/html/rfc9110#name-date-time-formats](https://datatracker.ietf.org/doc/html/rfc9110#name-date-time-formats))
-#[inline(always)] pub fn imf_fixdate(unix_timestamp: u64) -> String {
+#[inline(always)]
+pub fn imf_fixdate(unix_timestamp: u64) -> String {
     UTCDateTime::from_unix_timestamp(unix_timestamp).into_imf_fixdate()
 }